Il 13/06/2012 16:53, Daniel P. Berrange ha scritto: >>> > > I don't think SUSPEND can be used to DoS, since once the VM >>> > > is in the suspend state, a monitor command is required to wake >>> > > it up again before the guest OS can trigger a new suspend. >> > >> > Can't the guest OS awake itself? > I didn't think so. Even if it can, we can't rate limit SUSPEND > events in isolation, because they must be strictly ordered > wrt RESUME events.
It can program the RTC to awake the OS, but only at 1 wakeup/second. Paolo